[PATCH 3/3] ARM: dts: stm32: enable ADC on stm32f429i-eval board
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STALE3565d
From: Fabrice Gasnier <hidden>
Date: 2016-12-02 13:59:01
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Enable analog to digital converter on stm32f429i-eval board. It has on-board potentimeter wired to ADC3 in8 analog pin and uses fixed regulator to provide reference voltage. Signed-off-by: Fabrice Gasnier <redacted> --- arch/arm/boot/dts/stm32429i-eval.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 13c7cd2..6be0a24 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts@@ -65,6 +65,20 @@ serial0 = &usart1; }; + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + reg_vref: regulator at 0 { + compatible = "regulator-fixed"; + reg = <0>; + regulator-name = "vref"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + }; + leds { compatible = "gpio-leds"; green {
@@ -123,3 +137,14 @@ pinctrl-names = "default"; status = "okay"; }; + +&adc { + pinctrl-names = "default"; + pinctrl-0 = <&adc3_in8_pin>; + vref-supply = <®_vref>; + status = "okay"; + adc3: adc at 200 { + st,adc-channels = <8>; + status = "okay"; + }; +};
--
1.9.1